Clinical psychology has a history of stormy relationships with the medical profession
Indicate whether the statement is true or false
True
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In a study designed to test the effects of a new drug developed to treat Alzheimer's disease, half the patients were given the actual drug while the other half were given a placebo (sugar pill). In this study, the experimental group is
a. the patients who show evidence of an improvement in their memory. b. the group that received the actual drug. c. the group that received the placebo. d. the patients who were not included in the study.
Night-active species are more likely than day-active species to have ____
a. better peripheral vision b. larger blind spots c. a greater rod to cone ratio d. a greater cone to rod ratio
In which situation would a within-participants design be most useful?
A. when your study requires a control group B. when you want to test three or more levels of independent variable C. when it is very important to avoid order effects D. when you only have access to a small number of participants
A pigeon is reinforced for pecking a key whenever a particular tone is sounded but never reinforced if the tone is absent. Pigeons discriminating these conditions will:
A) not learn anything under these conditions. B) key peck only when the tone turns off. C) begin key pecking whenever the tone sounds and will continue to peck the key, even when it turns off. D) key peck only in the presence of the tone sounding.